Figure 6
From: Experimental demonstration of conformal phased array antenna via transformation optics

The directivities and 3D patterns for the virtual planar and physical conformal array with main beam directions at 0°, 25° and 50° respectively (a)∼(c) virtual planar array (3.0 GHz), (d)∼(f) physical conformal array (3.0 GHz), (g)∼(i) physical conformal array (2.8 GHz), (j)∼(l) physical conformal array (3.2 GHz).